Disable DiagnosticsLogger (EventLog no longer available on .NET 9+)

Author: stakx

src/Castle.Core.Tests/Core.Tests/Logging/DiagnosticsLoggerTestCase.cs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#if !NET9_0_OR_GREATER
+
 namespace Castle.Core.Logging.Tests
 {
 	using System;
@@ -101,3 +103,5 @@ public void SimpleUsage()
 		}
 	}
 }
+
+#endif

src/Castle.Core/Core/Logging/DiagnosticsLogger.cs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#if !NET9_0_OR_GREATER
+
 namespace Castle.Core.Logging
 {
 	using System;
@@ -147,3 +149,5 @@ private static EventLogEntryType TranslateLevel(LoggerLevel level)
 		}
 	}
 }
+
+#endif

src/Castle.Core/Core/Logging/DiagnosticsLoggerFactory.cs

@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#if !NET9_0_OR_GREATER
+
 namespace Castle.Core.Logging
 {
 	using System;
@@ -39,3 +41,5 @@ public override ILogger Create(string name, LoggerLevel level)
 		}
 	}
 }
+
+#endif